Investigation of dispersed phase holdup in a Tenova pulsed liquid-liquid extraction column

Rahimpour, Neshat; Bahmanyar, Hossein; Hemmati, Alireza; Asadollahzadeh, Mehdi

doi:10.1016/j.jtice.2023.105080

Journal of the Taiwan Institute of Chemical Engineers

2023

DOI: 10.1016/j.jtice.2023.105080

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Investigation of dispersed phase holdup in a Tenova pulsed liquid-liquid extraction column

Neshat Rahimpour,

Hossein Bahmanyar,

Alireza Hemmati

et al.

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Cited by 9 publications

References 35 publications

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Mass transfer performance of pulsed disk and doughnut column (PDDC) in the extraction of active ingredients in peppermint extract obtained by hot percolation

Hosseini,

Bahmanyar,

Rahimpour

et al. 2024

Can J Chem Eng

Self Cite

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The active ingredients in peppermint are widely used in the pharmaceutical, food, cosmetic, and other industries. The traditional methods for producing peppermint extract through hydrodistillation (HD) and percolation are long process with low efficiency. The aim of this study is the improvement of the extraction performance and the efficiency of the extract obtained from hot percolation via pulsed disk and doughnut columns (PDDC), which is one of the most important pieces of liquid–liquid extraction (LLE) equipment. Peppermint extract was used as the continuous phase in the PDDC. n‐Hexane was considered as the dispersed phase in this column. In this study, the effects of three operating parameters were investigated, including the pulse intensity, continuous phase height, and dispersed phase flow rate, on the extraction efficiency of active ingredients in peppermint. The response surface method (RSM) was used to investigate the effect of these parameters on the extraction efficiency. The efficiency of this column in the extracting of active ingredients from peppermint was measured by UV–vis spectrophotometry, via the absorption rate of the main active ingredients of peppermint (menthol) in the samples, and the efficiency was 75% on average. The experimental and theorical of dispersed phase mass transfer coefficient were evaluated and compared. The results showed that the PDDC improved the extraction and mass transfer. By increasing the flow rate of the dispersed phase and the height of the continuous phase, the extraction efficiency and the mass transfer coefficient were increased.

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Mass transfer performance of pulsed disk and doughnut column (PDDC) in the extraction of active ingredients in peppermint extract obtained by hot percolation

Hosseini,

Bahmanyar,

Rahimpour

et al. 2024

Can J Chem Eng

Self Cite

View full text Add to dashboard Cite

show abstract

Examining an essential factor in liquid-liquid extraction columns: Evaluating the mass transfer coefficients critically

Asadollahzadeh,

Torkaman

2025

International Communications in Heat and Mass Transfer

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Study of mass transfer and emphasis on pulsed and non-pulsed conditions for implementing cobalt extraction in the pilot plant column with disc and doughnut configuration

Asadollahzadeh,

Torkaman,

Torab-Mostaedi

2025

International Communications in Heat and Mass Transfer

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Investigation of dispersed phase holdup in a Tenova pulsed liquid-liquid extraction column

Cited by 9 publications

References 35 publications

Mass transfer performance of pulsed disk and doughnut column (PDDC) in the extraction of active ingredients in peppermint extract obtained by hot percolation

Mass transfer performance of pulsed disk and doughnut column (PDDC) in the extraction of active ingredients in peppermint extract obtained by hot percolation

Examining an essential factor in liquid-liquid extraction columns: Evaluating the mass transfer coefficients critically

Study of mass transfer and emphasis on pulsed and non-pulsed conditions for implementing cobalt extraction in the pilot plant column with disc and doughnut configuration

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